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Patrick Erbts - Partitioned solution strategies for electro-thermo-mechanical problems applied to the field-assisted sintering technology

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Patrick Erbts

Partitioned solution strategies for electro-thermo-mechanical problems applied to the field-assisted sintering technology

Series: Mechanik/Bruchmechanik

Volume 345 2016

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Introduction S. 1-7

„… numerical examples. Some improve- 6 1. Introduction Radiation Field Mechanical Field Thermal Field Electric …” „… nearly vacuum conditions [176]. Additionally, thermal radiation is of particular interest as the FAST …” „… process involves high temperatures at the tool surfaces. As thermal radiation is – simply spoken …”

Conclusions and outlook S. 171-173

„… of thermal radiation becomes an important issue. That is why the radiative heat transfer is treated …” „… as an additional physical field in this thesis. A radiation solver is coupled to the thermal field …” „… radiation transfers thermal energy in vacuum, the coupling is also formulated for the absence of a …”

Numerical examples S. 145-170

„… problemwith finite deformations is studied, where thermal radiation is approximated as a boundary condition in …” „… temperature boundary conditions are given as follows: Thermal radiation is approximated as q̄ = εσsb(Θ4−Θ4 …” „… . Multi-field problem with thermal radiation 151 applied to the thermal field. It seems that the electric field …”

Titelei/Inhaltsverzeichnis

„… – Numerical thermal radiation – Convergence acceleration – Fluid-structure interaction – Coupled problems …” „… . . . . . . . . . . . . . . . 27 2.2.4 Summary of the coupled initial boundary value problem . . 29 2.3 Thermal radiation …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 2.3.1 Basics of thermal radiation . . . . . . . . . . . . . . . . . . . 32 2.3.2 Radiation in …”

Numerical methods S. 45-78

„… methods to perform a numerical thermal radiation analysis are introduced. It is assumed that the …” „… transfer by thermal radiation that is to be studied, the other 76 3. Numerical methods transfer modes …” „… numerical solution procedures for the governing equations of the mechanical, thermal, electrical and …”

Solution of coupled problems S. 79-144

„… can appear, for instance, in fluid-structure or thermal-radiation interaction – which are typical …” „… ], chemical-thermo-mechanics [181], electro-(magneto)-mechanics [160, 113, 40] or thermal-fluid-structure interaction [12, 137 …” „… Newton-Raphson procedure might become extremely large and also unsymmetrical. For some cases, the numerical …”

Governing equations S. 8-44

„… , thermal radiation can be the dominating mode of heat transfer in many industrial applications …” „… . Unfortunately, the existence of thermal radiation may increase the complexity of a simulation significantly …” „… information about thermal radiation. The gap conductance describes the heat transfer between two surfaces and …”

Bibliography S. 186-204

„… . Heat transmission, 3, 1954. [86] J.R. Howell, R. Siegel, and P. Menguc. Thermal Radiation Heat Transfer …” „… / simulia/portfolio/abaqus/overview/, 2012. [2] A. Aitken. On Bernoulli’s numerical solution of algebraic equations. Proceedings of …” „… Numerical Methods in Engineering, 35:737–766, 1992. [4] F. Armero and J.C. Simo. A priori stability …”

doi.org/10.51202/9783186345189

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2023

Series: VDI-Berichte

Volume 2422 2023

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W. Ramdane, C. Changenet, S. S. Ouali, C. Chevrel-Fraux, P. Casanova Thermal model of a planetary gear set using an isothermal approach S. 451-466

„… losses, thermal heat flows are calculated by summing the contribution of convection and radiation between …” „… the planetary gear set and its environment: b !" " &#!"U !" !b!"U !" Thermal radiation The heat …” „… Thermal model of a planetary gear set using an isothermal approach Wassim Ramdane, Université de …”

C. M. C. G. Fernandes, J. M. A. Pinto, D. E. P. Gonçalves, A. R. Silva Reduction of root and flank temperature using a hybrid polymer-metal rack S. 1547-1562

„… the used setup, it is possible to identify the effect of the thermal source radiation on the rack …” „… tooth temperature field in the root region. Fig. 4: Thermal image taken during a test T2B Radiation …” „… thermal model, a mechanical model and an uncoupled thermo-mechanical model. The numerical model …”

doi.org/10.51202/9783181024225

VDI Wissensforum GmbH - AgEng LAND.TECHNIK 2022

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VDI Wissensforum GmbH (ed.)

AgEng LAND.TECHNIK 2022

Series: VDI-Berichte

Volume 2406 2022

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S. H. F. Al-Rikabi, E. Santolini, M. Bovo, A. Barbaresi, D. Torreggiani, P. Tassinari, B. Pulvirenti Definition of a Porous Media Model Simulating the Presence of a Small Canopy Crops in a Greenhouse – CFD simulations and comparison with experimental tests S. 639-648

„… numerical solar radiation models and 3D simulations in a multi-span greenhouse with an active crop. Crop …” „… aiming to define a porous media model simulating the crop presence and to evaluate the thermal energy …” „… outcomes of the numerical simulations were then compared with the experimental one. The results show that …”

D. Tyris, P. Panagakis, D. Manolakos, A. Gkountas, P. Bakalis A dynamic heat pump model for precise environment control of a broiler house in Northern Greece S. 485-492

„… . Here, a detailed numerical tool developed in Simulink [8] is presented, simulating the thermal loads of …” „… welfare conditions for the broilers housed. The most widespread systems used to achieve thermal comfort …” „… detailed numerical tool developed in Simulink environment, to simulate the dynamic operation of three heat …”

W. Faes, S. Lecompte, J. Maselyne Cost-effective implementation of renewable energy sources in livestock barns S. 245-252

„… radiation and wind, storage is possible with batteries (electrical storage) or hot water tanks (thermal …” „… and Food), Belgium Abstract Livestock barns have a high electrical and thermal energy demand …” „… not straightforward. Therefore a numerical model was developed where the use of these technologies can …”

J. Schemminger, Sharvari Raut, B. Sturm, Albrecht Daniel, Thijs Defraeye A digital shadow to study the convective drying of carrot slices S. 155-164

„… ) ??ℎ ⋅ ?? ( 9 ) with the Nusselt number ??⋅ using the thermal conductivity of air ? and a …” „… characteristic length ? ? .The Lewis number ?? correlates the thickness of the thermal boundary layer and the …” „… concentration boundary layer with the thermal diffusivity ? 2.16 ⋅ 10 [17] and the binary diffusion …”

doi.org/10.51202/9783181024065

Hendrik C. Belaschk - Näherungsformeln für Spill Plumes in Atrien variabler Größe.

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Hendrik C. Belaschk

Näherungsformeln für Spill Plumes in Atrien variabler Größe.

Series: Berichte des Instituts für Bauphysik der Leibniz Universität Hannover

Volume 5 2012

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Literaturverzeichnis S. 120-126

„… [59] K. G. T. Hollands: Thermal Radiation Fundamentals. Begell House Inc., New York, 2004 [60] M. F …” „… : Thermal Radiation Heat Transfer. Taylor & Francis, New York, 4. Edition, 2002 [62] G. D. Raithby, E. H …” „… , pp. 43–44, 2003 [4] R. Harrison: Smoke Control in Atrium Buildings: A Study of Thermal Spill Plume …”

Teil A / Numerische Brand- und Rauchsimulation unter Verwendung von GPU-Prozessortechnologie S. 34-87

„… ) • Eindimensionaler Wärmetransport in Feststoff en Wärmestrahlung (thermal radiation) • Strahlungstransportmodell …” „… • Mehrere Druckzonen • Bakrokline Druckkorrektur • Direct Numerical Simulation (DNS) • Dynamische …”

doi.org/10.51202/9783816786993

VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2017

Series: VDI-Berichte

Volume 2294 2017

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B. Bauer, R. Hambrecht, A. Kube Thermal analysis and optimization of gearboxes by simulation S. 917-926

„… cover by using a numerical approach. Thermal balance as dimensioning criterion Converting torque …” „… thermal capacity VDI-Berichte Nr. 2294, 2017 919 Numerical approach to calculate gearbox temperatures …” „… Thermal analysis and optimization of gearboxes by simulation Dr. Björn Bauer, Dr. Ralf …”

doi.org/10.51202/9783181022948

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